219results about How to "Reduce watering" patented technology

A method for removing contaminants from a natural gas stream such as a biogas/landfill gas stream. The natural gas stream is fed to a first adsorption unit for removal of certain contaminants and then to a second adsorption unit for the removal of additional contaminants. Alternatively, a membrane stage may be employed between the adsorption units. The method utilizes the external purge to enhance pressure swing adsorption working capacity so that the vacuum level required for regeneration is not as high.

Low water-containing biomass-derived pyrolysis oils and processes for preparing them are provided. Water-containing biomass-derived pyrolysis oil is distilled in the presence of an azeotrope-forming liquid to form an azeotrope. The azeotrope is removed at or above the boiling point of the azeotrope and low water biomass-derived pyrolysis oil is obtained.

The invention discloses an integrated flue gas treatment device and method. The device comprises flue gas treatment equipment, ozone supply equipment, hydrogen peroxide supply equipment, evaporation and concentration equipment, cyclic sedimentation equipment and the like, wherein the flue gas treatment equipment comprises an ozone spray oxidation reaction layer, a hydrogen peroxide spray oxidation reaction layer, an absorber spray area, a slurry circulation area and a dust and mist removal area; both the ozone spray oxidation reaction layer and the hydrogen peroxide spray oxidation reaction layer are arranged in the absorber spray area; the dust and mist removal area is positioned above the absorber spray area; both the evaporation and concentration equipment and the cyclic sedimentation equipment are arranged in the flue gas treatment equipment. The device and the method disclosed by the invention are suitable for comprehensive treatment of flue gas containing SO2, NOX, Hg and dust and resource utilization of liquid waste in coal fired boilers, iron and steel sintering machines, pellets, industry kiln stoves and the like.

The invention relates to a process for dyeing polyester fibre material according to the exhaust method, which process comprises the following steps: (a) pre-treatment of the fibre material with one or more surfactants, (b) dyeing with one or more disperse dyes, and (c) reductive after-treatment with a hydroxyalkylsulfinic acid or a hydroxyalkylsulfinic acid salt, wherein steps (a), (b) and (c) are carried out in succession in a single liquor.

The invention relates to a seedling growing method, in particular to a seedling growing method for Scotch pine in northern sandy area. The invention is characterized in that seed source is selected; the seeds are arranged in snow or warm water to carry out the bud forcing treatment till that the seeds bud; seedlings are sowed by a level seedbed; meanwhile, soil amendment is fertilized; furthermore, during the period of seedling management, the management is carried out according to different growing conditions of the young seedlings; during the initial growing period of the young seedling, the nursery bed is watered; the temperature of the nursery bed is kept within 8-25 DEG C and the humidity thereof achieves 50%-80% of the water content in the field; furthermore, bordeaux mixture with the mass concentration of 0.8%-1.0% is sprayed once every 5-7 days and then the clean water is sprayed to clean the seedling; during the high growing period of the young seedling, the fertilizer is fertilized again thrice; during the stem growing period of the seedlings, the water content in the field of the nursery bed is kept within 35%-60%; the phosphate fertilizer is fertilized on the leaf surfaces; meanwhile, the winter protection disposal is carried out, thus improving the quality of the survival rate of the seedlings, improving the survival rate of the forest by 33.1% and generating considerable economical and social benefits.

A process of producing aldehydes in a continuous hydroformylation process of continuously reacting an olefinic unsaturated compound with carbon monoxide and hydrogen in the presence of a rhodium-phosphite based complex catalyst and continuously separating at least one component from a reaction product, the process being characterized in that at least a part of an aldehyde product and water are taken out as a mixed vapor flow from a catalyst-existent region in the process, and at least a part thereof is fed outside the catalyst-existent region as it stands as the vapor or as a condensate after cooling, to reduce the water concentration within the catalyst-existent region, whereby decomposition of phosphite ligands in the hydroformylation process of olefins is suppressed.

The invention discloses a high-efficient grinding device for Chinese herbal medicine processing. The high-efficient grinding device for Chinese herbal medicine processing comprises a case, wherein thecase is divided into a primary processing cavity, a secondary processing cavity and a discharging cavity; a first drive plate and a second drive plate are arranged at an inner wall of the primary processing cavity; slide rods are arranged at the front sides and the rear sides of the first drive plate and the second drive plate; slide chutes are formed in the front side and the rear side of the primary processing cavity; the slide rods are arranged in the corresponding slide chutes; and cutting blades are arranged on a bottom plane of the first drive plate and an upper plane of the second drive plate. According to the high-efficient grinding device for Chinese herbal medicine processing provided by the invention, through a connecting rod mechanism, the cutting blades alternately cut medicines so as to horizontally and preliminarily grind the medicines, and spiral cutter blades grind and drive the medicines to stir up and down at the same time so as to regrind the medicines in a vertical direction.

Processes for making biodiesel are improved by fast, vapor fractionating a crude biodiesel containing alkyl ester, lower alkanol and a catalytically effective amount of base catalyst to obtain a lower alkanol fraction having a low content of water without undue loss of alkyl ester despite the presence of active catalyst.

The invention discloses an alcohol waste liquid heat pump concentration process and a device therefore. The device mainly comprises a high pressure evaporator, a low pressure evaporator, a high pressure gas-liquid separator, a low pressure gas-liquid separator and a heat pump compressor; the high pressure and the low pressure evaporators are connected with each other in series in sequence; secondary steam produced by the evaporation of feed liquor in the high pressure evaporator is taken as a heating thermal resource for feed liquor in the low pressure evaporator; secondary steam produced by the evaporation of the feed liquor in the low pressure evaporator is taken as a heating thermal resource for the feed liquor in the high pressure evaporator after being pressurized by the heat pump compressor; and except that a certain amount of boiler steam is required for the start-up in the initial stage and to ensure the normal operation of the heat pump compressor only a certain amount of electrical or mechanical work is required after normal operation, the whole system can operate without other energy from outside. Compared with the multiple effect evaporation technology, the invention has the following advantages: the evaporation of water in waste liquid per unit mass requires less energy consumption; a vacuum pump needs not to be arranged; and meanwhile, the amount of condensed water reduces to some degree, so that the purpose of saving energy and protecting the environment during alcohol production can be achieved.

Dishwasher, comprising a first wash circulation system (7) with a wash circulation pump (6) to circulate washing liquid from a sump (5) to at least one spray device (3, 4) arranged in a wash tank (2), wherein a second circulation system (10) comprising a further pump and a filtration device (11) is provided to filter washing liquid independently from actuation of the circulation pump (6) of the first circulation system (7).

The present invention provides a fuel cell system including a fuel cell, a hydrogen gas pipe system for supplying a fuel gas to the fuel cell, and an injector for adjusting a pressure of the upstream side of the hydrogen gas pipe system to supply the hydrogen gas to the downstream side, wherein the injector includes an internal channel for communicating the upstream side of the injector with the downstream side of the injector, and a valve body movably arranged in the internal channel for switching a channel opening area in multiple stages corresponding to a movement position of the valve body, and wherein water at least around the valve body of the injector is reduced when the system stops.

A packaging device for protectively enclosing an optical component in a substantially clean and anhydrous environment without imparting undue mechanical stresses on the optical component and adjacent segments of optical fiber coupled thereto. An intermediate component is used in combination with a sealing material for sealing the fiber aperture of a protective housing while allowing an optical fiber to extend therethrough. The protective housing is made out of a material having a coefficient of thermal expansion that closely matches that of the optical fiber. A chain of material CTE that includes the CTE of the intermediate component is used in order to circumvent the need for a sealing material having a high melting temperature. The packaging device is also designed so as to reduce water ingress by optimizing the configuration of the sealing component and adjacent structures.

The invention discloses a closed environment-friendly storing place which comprises a closed storing canopy, an input and stacking system, a storing place body and a reclaiming and output system. Lower-portion supports support a reclaimer traveling platform, upper-portion retaining walls and a reclaimer traveling platform, the upper-portion retaining walls appear in pair, a middle storing area of the storing place is formed between two corresponding upper-portion retaining walls, two sides of the outer portion of each of the two lower-portion supports form a left storing area and a right storing area of the storing place respectively, and a middle material output feeder and a middle material output conveyer are arranged at the bottom of the middle storing area. The closed storing place is divided into the left storing area, the middle storing area and the right storing area, so that closed space is fully utilized, non-material stacking and storing space is reduced, and energy consumption of heating, lighting and the like is reduced; the lower-portion supports in pair are utilized for supporting, so that longitudinal retaining walls are omitted, material storing capacity is improved, and project amount is substantially reduced; an output system is arranged in each of the left storing area, the middle storing area and the right storing area, so that material exchanging is realized, the left storing area, the middle storing area and the right storing area are spare to each other, and production safety is improved.

In the production of an acrylic copolymer by emulsion polymerization of a monomer mixture comprising (a) 30-70% by weight of perfluoroalkylalkyl (meth)acrylate, represented by the following general formula: CH₂═CRCOOR′ Rf (where R is a hydrogen atom or a methyl group, R′ is a linear or branched alkylene group having 1-8 carbon atoms, and Rf is a perfluoroalkyl group having 4-16 carbon atoms), (b) 25-60% by weight of stearyl (meth)acrylate, (c) 0.1-5% by weight of (meth)acrylamide, and (d) 0.1-5% by weight of N-methylol (meth)acrylamide, in the presence of a non-ionic and/or cationic surfactant, a polypropylene glycol-based compound having a molecular weight of 250-5,000 is used as an emulsification aid at the same time. The resulting aqueous dispersion of acrylic copolymer has distinguished preservation stability, and water and oil repellency.

The invention relates to a tissue culture method of anthurium. The method comprises the steps of (1) inducing callus; (2) differentiating adventitious buds; and (3) carrying out subculture proliferating on adventitious buds, and transplanting and nursing. The method is characterized in that when seedlings in step (3) in a regrowth block mass grow to 2cm or more and respectively have 1 to 3 roots, the regrowth block mass can be used as a subsequent transplanting regrowth block mass; the method also comprises a step (4) of transferring the regrowth block mass into a greenhouse to carry out seedling hardening two weeks before the transplanting, and opening a tissue culture bottle cover 3 to 5 days before the transplanting; a step (5) of cutting the large block mass into small block masses, cutting off test-tube seedlings with roots, which is more than 3cm high, and immersing the test-tube seedlings in a chlorothalonil liquid medicine for 30 minutes; step (6) of adopting peat soil or peat soil, perlite and river sand as cultivation substrates, transplanting the regrowth block mass and the test-tube seedlings, wherein the substrate is 1 to 1.5cm away from a seedling sieve notch, the small block mass is used as a transplanting unit, and 2 to 3 test-tube seedlings are used as a transplanting unit; and step (7) of nursing the seedlings after the transplanting. By adopting the method, the environmental applicability of the test-tube seedlings can be improved, and the survival rate can be increased by 8 percent.

The invention discloses a method for transplanting big trees in summer. On the basis that operations are performed in strict accordance with Urban Landscaping Construction and Acceptance norms, the method also comprises the following technical measures of (1) retaining freshness of tree bodies before transplantation; (2) earthing and covering ground around tree trunks after the transplantation; (3) spraying tree crowns in the day and evening. According to the method disclosed by the invention, a sunshade net does not need to be built and a spray facility does not need to be installed for each big tree, and therefore, the production cost can be greatly reduced. Meanwhile, the survival rate of the big trees can reach 95-100 percent, a very significant greening effect is achieved, and waste of big tree resources is avoided.

The invention discloses a preparation process for producing a tobacco organic compound fertilizer by utilizing animal manure. The preparation process is characterized in that: the fermentation process comprises the following stages: the first stage: mixing fresh pig manure with straw or bacterial residues, adding into a special stainless steel fermentation tank after mixing, heating to 70-90 DEG C, simultaneously uniformly adding a strain, performing fermentation operation, simultaneously performing stirring operation during the heating process, stirring to enable the temperature of contents to be uniform, killing harmful bacterial and insect eggs, switching off after heating for a period of time, maintaining at the temperature of 70-90 DEG C by relying on heat energy of fermenting organisms, and taking out of the tank after 12-24h; the second stage: adopting an air inflation pump and an air inflation pipeline to perform high-pressure air inflation and accumulation for further fermentation so as to realize further loss of part of water; and the third stage: adding trace elements, uniformly stirring, then granulating, further spraying a functional microorganism fertilizer on the surface, and bagging.

The invention discloses a method for reducing tissue culture production cost of hosta plantagineu. The method comprises the steps: obtaining a tissue block with an adventitious bud, differentiating and multiplying, rooting, transplanting, acclimatizing, planting in a large land, and the like. According to the method, through screening a proper culture medium and selecting a proper culturing and transplanting method, the culture efficiency of the hosta plantagineu is improved, and the production cost is lowered.

The invention discloses a dust-collecting and dust-falling device for a building construction ground surface. After dust is sucked into through a fan, cooperating with internal rainfall, dust fallingis conducted. The dust-collecting and dust-falling device is characterized in that inner sleeves are arranged inside outer sleeves, the inner sleeves are connected with one ends of the outer sleeves through square-to-round diameter variable tubes, the inner sleeves are circular tubes, and the outer sleeves are square tubes; one ends of the square-to-round diameter variable tubes are circular, theother ends of the square-to-round diameter variable tubes are square, and flow collecting cavities are formed between the outer walls of the square-to-round diameter variable tubes and the inner wallsof the outer sleeves; sealing rings are arranged on the inner walls of the inner sleeves, the inner sides of the sealing rings are arc-shaped surfaces, and the thicknesses of the sealing rings are gradually increased from the middle to the two sides; a hollow flow guiding frame is arranged on the inner walls of the other ends of the outer sleeves, mist spraying cavities are formed in the hollow flow guiding frame, one ends of water inlet tubes are arranged in the mist spraying cavities, and the other ends of the water inlet tubes penetrate through the hollow flow guiding frame; and a fixing sleeve is arranged in the middle position of the interior of the hollow flow guiding frame and is connected with the inner side of the hollow flow guiding frame through a honeycomb disc.

The electrostatic atomizing device includes a discharge electrode, an opposed electrode, and a voltage application device. The voltage application device is configured to apply a voltage between the discharge electrode and the opposed electrode so as to atomizing a liquid supplied to the discharge electrode. The electrostatic atomizing device further includes a reduced water provision device configured to supply reduced water as the above liquid to the discharge electrode.